The Sony 18-135mm F3.5-5.6 SAM is a light, compact 7.5x 'superzoom' lens, offering a 28-200mm equivalent angle of view. It uses a Smooth Autofocus Motor (SAM) for quiet focusing, with Direct Manual Focus override. The optical design includes 2 aspherical elements and one extra-low dispersion (ED) glass element. The lens is available either on its own or as a kit with Alpha SLT bodies.